Question

A tennis player standing 11.5 m from thenet hits the ball at 3.20°
above the horizontal. To clear the net, the ballmust rise at least
0.254 m. If the balljust clears the net at the apex of its
trajectory, how fast was theball moving when it left the
racquet?

Enter
anumber.

m/s

I do not know how to find the initial velocity without
knowingthe time